<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>256272</bug_id>
          
          <creation_ts>2023-05-03 14:44:59 -0700</creation_ts>
          <short_desc>ASSERTION FAILED: isMainRunLoop() under RemoteRenderingBackend::releaseRemoteGPU()</short_desc>
          <delta_ts>2023-05-03 15:48:15 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WebGPU</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Chris Dumez">cdumez</reporter>
          <assigned_to name="Chris Dumez">cdumez</assigned_to>
          <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1952739</commentid>
    <comment_count>0</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2023-05-03 14:44:59 -0700</bug_when>
    <thetext>ASSERTION FAILED: isMainRunLoop() under RemoteRenderingBackend::releaseRemoteGPU():
ASSERTION FAILED: isMainRunLoop()
/Volumes/Data/worker/macOS-AppleSilicon-Ventura-Debug-Build-EWS/build/Source/WebKit/GPUProcess/GPUProcess.cpp(178) : void WebKit::GPUProcess::tryExitIfUnusedAndUnderMemoryPressure()
1   0x13720bb44 WTFCrash
2   0x119645010 decltype(auto) std::__1::apply[abi:v15006]&lt;void IPC::callMemberFunction&lt;WebKit::DrawingArea, WebKit::DrawingArea, void (), std::__1::tuple&lt;&gt;&gt;(WebKit::DrawingArea*, void (WebKit::DrawingArea::*)(), std::__1::tuple&lt;&gt;&amp;&amp;)::&apos;lambda&apos;(auto&amp;&amp;...), std::__1::tuple&lt;&gt;&gt;(WebKit::DrawingArea&amp;&amp;, WebKit::DrawingArea&amp;&amp;)
3   0x11a239280 WebKit::GPUProcess::tryExitIfUnusedAndUnderMemoryPressure()
4   0x11a27dec8 WebKit::RemoteRenderingBackend::releaseRemoteGPU(WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;)
5   0x11a1ec088 auto void IPC::callMemberFunction&lt;WebKit::RemoteRenderingBackend, WebKit::RemoteRenderingBackend, void (WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;&gt;(WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;&amp;&amp;)::&apos;lambda&apos;(auto&amp;&amp;...)::operator()&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;(auto&amp;&amp;...) const
6   0x11a1ebff0 decltype(std::declval&lt;WebKit::RemoteRenderingBackend&gt;()(std::declval&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;())) std::__1::__invoke[abi:v15006]&lt;void IPC::callMemberFunction&lt;WebKit::RemoteRenderingBackend, WebKit::RemoteRenderingBackend, void (WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;&gt;(WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;&amp;&amp;)::&apos;lambda&apos;(auto&amp;&amp;...), WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;(WebKit::RemoteRenderingBackend&amp;&amp;, WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&amp;&amp;)
7   0x11a1ebfc4 decltype(auto) std::__1::__apply_tuple_impl[abi:v15006]&lt;void IPC::callMemberFunction&lt;WebKit::RemoteRenderingBackend, WebKit::RemoteRenderingBackend, void (WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;&gt;(WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;&amp;&amp;)::&apos;lambda&apos;(auto&amp;&amp;...), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;, 0ul&gt;(WebKit::RemoteRenderingBackend&amp;&amp;, WebKit::RemoteRenderingBackend&amp;&amp;, std::__1::__tuple_indices&lt;0ul&gt;)
8   0x11a1ebf88 decltype(auto) std::__1::apply[abi:v15006]&lt;void IPC::callMemberFunction&lt;WebKit::RemoteRenderingBackend, WebKit::RemoteRenderingBackend, void (WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;&gt;(WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;&amp;&amp;)::&apos;lambda&apos;(auto&amp;&amp;...), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;&gt;(WebKit::RemoteRenderingBackend&amp;&amp;, WebKit::RemoteRenderingBackend&amp;&amp;)
9   0x11a1ebc70 void IPC::callMemberFunction&lt;WebKit::RemoteRenderingBackend, WebKit::RemoteRenderingBackend, void (WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;&gt;(WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;), std::__1::tuple&lt;WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;&gt;&amp;&amp;)
10  0x11a1cb674 void IPC::handleMessage&lt;Messages::RemoteRenderingBackend::ReleaseRemoteGPU, WebKit::RemoteRenderingBackend, WebKit::RemoteRenderingBackend, void (WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;)&gt;(IPC::Connection&amp;, IPC::Decoder&amp;, WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WTF::ObjectIdentifierGeneric&lt;WebKit::WebGPUIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits&gt;))
11  0x11a1ca1a4 WebKit::RemoteRenderingBackend::didReceiveStreamMessage(IPC::StreamServerConnection&amp;, IPC::Decoder&amp;)
12  0x11c28c6c0 IPC::StreamServerConnection::dispatchStreamMessage(IPC::Decoder&amp;&amp;, IPC::StreamMessageReceiver&amp;)
13  0x11c28b174 IPC::StreamServerConnection::dispatchStreamMessages(unsigned long)
14  0x11c28ab90 IPC::StreamConnectionWorkQueue::processStreams()
15  0x11c293ecc IPC::StreamConnectionWorkQueue::startProcessingThread()::$_0::operator()()
16  0x11c293e6c WTF::Detail::CallableWrapper&lt;IPC::StreamConnectionWorkQueue::startProcessingThread()::$_0, void&gt;::call()
17  0x13913495c WTF::Function&lt;void ()&gt;::operator()() const
18  0x137307bdc WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*)
19  0x1373136d8 WTF::wtfThreadEntryPoint(void*)</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1952741</commentid>
    <comment_count>1</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2023-05-03 14:47:19 -0700</bug_when>
    <thetext>&lt;rdar://problem/103388697&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1952742</commentid>
    <comment_count>2</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2023-05-03 14:47:31 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/13416</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1952743</commentid>
    <comment_count>3</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2023-05-03 14:47:41 -0700</bug_when>
    <thetext>https://ews-build.s3-us-west-2.amazonaws.com/macOS-AppleSilicon-Ventura-Debug-WK2-Tests-EWS/0b7f80e0-4336/http/tests/webgpu/webgpu/api/operation/render_pipeline/vertex_only_render_pipeline-crash-log.txt</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1952744</commentid>
    <comment_count>4</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2023-05-03 14:49:28 -0700</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/13417</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1952760</commentid>
    <comment_count>5</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2023-05-03 15:48:13 -0700</bug_when>
    <thetext>Committed 263655@main (3810b677d2dc): &lt;https://commits.webkit.org/263655@main&gt;

Reviewed commits have been landed. Closing PR #13417 and removing active labels.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>